Robert Sillerman's SFX Entertainment and Opium Group: "The Deal Is Off"

That's what has most recently made SFX Entertainment mogul Robert F.X. Sillerman famous.

During the summer of 2012, the New York billionaire, who built his fortune throughout the 1990s by consolidating regional rock promoters into the company that eventually became Live Nation, announced his intention to drop an insane amount of money on the electronic dance music trend.

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